:root {
  --ink: #102127;
  --muted: #526b73;
  --paper: #fbfaf5;
  --panel: #ffffff;
  --line: #d7e4e2;
  --teal: #176b7c;
  --blue: #2d7f95;
  --lime: #c9ed5e;
  --coral: #ef806d;
  --violet: #6f64b7;
  --shadow: 0 20px 56px rgba(16, 33, 39, 0.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 12px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(215, 228, 226, 0.9);
  background: rgba(251, 250, 245, 0.93);
  backdrop-filter: blur(14px);
}
.brand, .nav { display: flex; align-items: center; gap: 10px; }
.brand { font-weight: 900; text-decoration: none; white-space: nowrap; }
.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--lime));
  box-shadow: 0 0 0 4px rgba(23, 107, 124, 0.13);
}
.nav { flex-wrap: wrap; justify-content: flex-end; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 800; text-decoration: none; }
.nav a:hover { color: var(--teal); }
.section {
  scroll-margin-top: 82px;
  padding: clamp(58px, 8vw, 112px) clamp(18px, 5vw, 76px);
  border-bottom: 1px solid rgba(215, 228, 226, 0.78);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 64px);
  background: linear-gradient(115deg, #fbfaf5 0%, #eef7f3 52%, #fff6f0 100%);
}
.hero-copy, .section-copy, .section-heading, .final-inner { max-width: 820px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1.06;
  letter-spacing: 0;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.16;
  letter-spacing: 0;
}
h3 { margin-bottom: 12px; font-size: 23px; line-height: 1.25; }
.lead, .section-copy p, .section-heading p, .final-inner p {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 18px;
  border: 2px solid var(--teal);
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
}
.button-primary { color: #fff; background: var(--teal); }
.button-secondary { color: var(--teal); background: rgba(255,255,255,0.72); }
.hero-art {
  position: relative;
  min-height: min(620px, 72vw);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}
.hero-art img { position: absolute; user-select: none; }
.blob-cream { width: 66%; left: 0; top: 2%; opacity: 0.9; }
.blob-lime { width: 54%; right: 0; bottom: 0; opacity: 0.86; }
.rays { width: 26%; right: 11%; top: 8%; }
.portrait { width: min(62%, 420px); left: 21%; bottom: 0; z-index: 3; }
.speech { position: absolute; z-index: 5; left: 7%; top: 12%; width: min(48%, 300px); }
.speech img { position: static; width: 100%; }
.speech p { position: absolute; inset: 34% 12% auto; margin: 0; color: var(--teal); font-weight: 900; text-align: center; }
.problem, .proof {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 68px);
}
.method, .contents { background: #fff; }
.media-card, .wide-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.media-card img, .wide-figure img { width: 100%; height: auto; }
figcaption { padding: 12px 14px; color: var(--muted); font-size: 13px; }
.phase-grid, .content-grid, .proof-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.phase-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.phase-grid span, .content-grid article, .proof-grid article {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.phase-grid span {
  display: grid;
  place-items: center;
  min-height: 54px;
  padding: 10px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}
.proof { background: #eef7f4; }
.proof-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.proof-grid article { min-height: 108px; padding: 16px; }
.proof-grid strong { display: block; color: var(--coral); font-size: 26px; line-height: 1.1; }
.proof-grid span { color: var(--muted); font-weight: 800; }
.content-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.content-grid article { padding: 20px; }
.content-grid p { color: var(--muted); margin-bottom: 0; }
.final-cta {
  text-align: center;
  background: linear-gradient(135deg, #12303a 0%, #176b7c 62%, #6f64b7 100%);
  color: #fff;
}
.final-inner { margin: 0 auto; }
.final-cta .eyebrow, .final-cta p { color: rgba(255,255,255,0.84); }
.final-actions { justify-content: center; }
.final-cta .button-primary { border-color: #fff; color: var(--teal); background: #fff; }
.final-cta .button-secondary { border-color: rgba(255,255,255,0.78); color: #fff; background: transparent; }
@media (max-width: 900px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .hero, .problem, .proof { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-art { min-height: 560px; }
  .phase-grid, .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .section { padding: 48px 16px; }
  .nav a { font-size: 13px; }
  h1 { font-size: 38px; }
  h2 { font-size: 30px; }
  .button { width: 100%; }
  .hero-art { min-height: 440px; }
  .blob-cream { left: 0; width: 58%; }
  .blob-lime { right: 0; width: 50%; }
  .portrait { width: 74%; left: 13%; }
  .speech { width: 62%; left: 4%; top: 10%; }
  .speech p { font-size: 13px; }
  .phase-grid, .content-grid { grid-template-columns: 1fr; }
}